त्रिभागाधिकायामा भाण्डवाहिनीः कुल्याः कारयेत् ॥ कZ_०२.३.३३ ॥
tribhāgādhikāyāmā bhāṇḍavāhinīḥ kulyāḥ kārayet
Debe construirse canales de transporte de suministros (kulyāḥ) cuya longitud se incremente en un tercio (tribhāga-adhika), adecuados para trasladar mercancías/materiales (bhāṇḍa-vāhinīḥ).
They are not merely drainage; they are designed as logistics conduits for provisioning, construction materials, or protected internal movement.